774690 has 96 divisors (see below), whose sum is σ = 2363904. Its totient is φ = 161280.

The previous prime is 774679. The next prime is 774691. The reversal of 774690 is 96477.

It is a super-2 number, since 2×774690² = 1200289192200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (774691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24975 + ... + 25005.

It is an arithmetic number, because the mean of its divisors is an integer number (24624).

2⁷⁷⁴⁶⁹⁰ is an apocalyptic number.

774690 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 774690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1181952).

774690 is an abundant number, since it is smaller than the sum of its proper divisors (1589214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

774690 is a wasteful number, since it uses less digits than its factorization.

774690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 774690 is about 880.1647573040. The cubic root of 774690 is about 91.8422785970.

The spelling of 774690 in words is "seven hundred seventy-four thousand, six hundred ninety".